Johnson and his wife went to a restaurant for dinner. They returned home and she found a receipt for a box of condoms, Engle said.

An argument ensued, Engle said.

"It gets pretty heated," Engle said. "By the time they get home here in Davie it's pretty heated. She alleges he leaned over and head butted her. He says she leaned towards him and that they butted heads. Needless to say she has a good laceration on her forehead."

Also, several people have noticed that Chad Johnson promised to get himself arrested in last week's Hard Knocks premiere: